fix(typings): Make optional props of Search, optional in the typing d…

…efinition. (Semantic-Org#1407)

src/modules/Search/Search.d.ts

@@ -1,6 +1,6 @@
 import * as React from 'react';
 
-import { default as SearchCategory, SearchCategoryProps} from './SearchCategory';
+import { default as SearchCategory, SearchCategoryProps } from './SearchCategory';
 import { default as SearchResult, SearchResultProps } from './SearchResult';
 import { default as SearchResults } from './SearchResults';
 
@@ -80,39 +80,39 @@ interface SearchProps {
    * @param {SyntheticEvent} event - React's original SyntheticEvent.
    * @param {object} data - All props.
    */
-  onBlur: (event: React.MouseEvent<HTMLElement>, data: SearchProps) => void;
+  onBlur?: (event: React.MouseEvent<HTMLElement>, data: SearchProps) => void;
 
   /**
    * Called on focus.
    *
    * @param {SyntheticEvent} event - React's original SyntheticEvent.
    * @param {object} data - All props.
    */
-  onFocus: (event: React.MouseEvent<HTMLElement>, data: SearchProps) => void;
+  onFocus?: (event: React.MouseEvent<HTMLElement>, data: SearchProps) => void;
 
   /**
    * Called on mousedown.
    *
    * @param {SyntheticEvent} event - React's original SyntheticEvent.
    * @param {object} data - All props.
    */
-  onMouseDown: (event: React.MouseEvent<HTMLElement>, data: SearchProps) => void;
+  onMouseDown?: (event: React.MouseEvent<HTMLElement>, data: SearchProps) => void;
 
   /**
    * Called when a result is selected.
    *
    * @param {SyntheticEvent} event - React's original SyntheticEvent.
    * @param {object} data - All props.
    */
-  onResultSelect: (event: React.MouseEvent<HTMLDivElement>, data: SearchResultProps) => void;
+  onResultSelect?: (event: React.MouseEvent<HTMLDivElement>, data: SearchResultProps) => void;
 
   /**
    * Called on search input change.
    *
    * @param {SyntheticEvent} event - React's original SyntheticEvent.
    * @param {string} value - Current value of search input.
    */
-  onSearchChange: (event: React.MouseEvent<HTMLElement>, value: string) => void;
+  onSearchChange?: (event: React.MouseEvent<HTMLElement>, value: string) => void;
 
   // ------------------------------------
   // Style
@@ -131,7 +131,7 @@ interface SearchProps {
   fluid?: boolean;
 
   /** A search input can take up the width of its container. */
-  input: any;
+  input?: any;
 
   /** A search can show a loading indicator. */
   loading?: boolean;